2.7×1.5+2.7用简便计算怎么算

2.7×1.5+2.7用简便计算怎么算
2025-04-06 09:33:52
推荐回答(1个)
回答1:

2.7×1.5+2.7

=2.7x(1.5+1)
=2.7x2.5
=2.7x2+2.7x0.5
=5.4+1.35
=6.75